ph conductivity meter online manufacture

Yieryi High accuracy aquarium digital pH meter/ORP meter with Temperature Want to know whether the pH / Temperature / ORP of water you drink is up to the standard? If so, this pen-type 3-in-1 pH/ORP/TEMP meter ... Read More

Yieryi TDS Meter Water Quality PH Tester for Aquarium Water alloy probe Stick Monitoring Yieryi digital LCD TDS Meter Water Quality PH TDS Tester for Aquarium Pool Water quality TDS-1 Water Quality Meter TDS1- ... Read More

Yieryi TDS-3 Tester Water Quality Purity Tester TDS ph meter concentration meter Product range of use Test whether the water quality of tap water, purified water and mineral water meets the drinking water ... Read More

Yieryi TDS Meter Water Quality PH Tester for Aquarium Water alloy probe Stick Monitoring TDS-1 Water Quality Meter TDS1- Water Quality Meter is ideal for all basic water testing applications. Test the purity of ... Read More

YIERYI TDS EC Meter Temperature Tester Water Measurement Tool TDS&EC Tester 0-4999ppm Features: Display:LCD, Voltage : CR2032 Battery, DC3V Measure range : 0 ~ 4999 ppm Backlight:green (direct drinking water) ... Read More

YIERYI TDS Meter Water Measurement Tool TDS / EC Tester 0-4999ppm Temperature Tester TDS02 pen can simultaneously detect liquid TDS value, water measuring probe is made of titanium alloy materials, the biggest ... Read More

EC -963 Digital EC Meter Tester Conductivity Water Quality Measurement Tool Features Compact and pocket-sized design Easy to use and provides a quick measurement High accuracy with 2% full scale accuracy Data ... Read More

Yieryi Digital TDS-3 Tester Filter Pen Temp TDS ph meter 0-9999 PPM Set Filter Purity Specifications: Color:white Accuracy: 0.01 Resolution: 0.01 Probe Measuring Range: 0.00~14.00 Type: Precision glass bulb ... Read More

YIERYI Portable LCD 0-9990ppm Digital TDS Meter (TDS-3L) Filter Water Quality Purity Tester WHAT IS TDS? Total Dissolved Solids(TDS) are the total weight of all solids (minerals, salts, or metals ) that are ... Read More

YIERYI LCD Digital TDS-966 Meter Filter Measuring Water Quality Purity Tester tds meter Features Compact and pocket-sized design Easy to use and provides a quick measurement High accuracy with 2% full scale ... Read More